Propeller blade of a fiber-reinforced plastic material
US4944655A · kind A · utility
35Cited by
11References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 1989 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | May 8, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A propeller blade of fiber-reinforced plastic with a combined erosion, icing and lightning protection system has a metal shroud fitted to its leading edge, the shroud enclosing a cavity and accommodating a heating conductor at its interior. A ground line of the heating conductor is connected to ground and serves as a lightning conductor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.